bi·o·sphere
noun/ˈbaɪəʊsfɪə(r)/
/ˈbaɪəʊsfɪr/
[singular] (specialist)- the part of the earth’s surface and atmosphere in which plants and animals can live
生物圈 Word Originlate 19th cent.: coined in German from Greek bios ‘life’ + sphaira ‘ball’.